| September 4, 2015 | Macquarie Funds Management Hong Kong Limited | 0.50% | still open |
| August 28, 2015 | Blackrock Investment Management (UK) Limited | 2.22% | still open |
| August 26, 2015 | Blackrock Investment Management (UK) Limited | 2.12% | still open |
| August 20, 2015 | GAM Investment Management (Switzerland) LTD. - Lugano Branch | 0.66% | still open |
| August 19, 2015 | GAM Investment Management (Switzerland) LTD. - Lugano Branch | 0.78% | still open |
| August 10, 2015 | Jpmorgan Asset Management (UK) LTD | 0.50% | still open |
| July 31, 2015 | Rubric Capital Management, LLC | 0.35% | still open |
| July 30, 2015 | Blackrock Investment Management (UK) Limited | 1.61% | still open |
| July 30, 2015 | Citadel Europe LLP | 0.92% | still open |
| July 30, 2015 | Rubric Capital Management, LLC | 0.50% | still open |
| July 29, 2015 | UBS Asset Management (UK) LTD | 4.49% | still open |
| July 29, 2015 | Rubric Capital Management, LLC | 0.60% | still open |
| July 28, 2015 | Rubric Capital Management, LLC | 0.73% | still open |
| July 27, 2015 | Rubric Capital Management, LLC | 0.83% | still open |
| July 24, 2015 | Citadel Europe LLP | 0.88% | still open |
| June 9, 2015 | Marshall Wace LLP | 0.48% | still open |
| June 4, 2015 | Marshall Wace LLP | 0.50% | still open |
| June 1, 2015 | Marshall Wace LLP | 0.49% | still open |
| May 28, 2015 | Marshall Wace LLP | 0.58% | still open |
| May 26, 2015 | Marshall Wace LLP | 0.67% | still open |
| May 15, 2015 | UBS Asset Management (UK) LTD | 4.50% | still open |
| May 15, 2015 | Bluecrest Capital Management Limited | 0.49% | still open |
| May 6, 2015 | GAM Investment Management (Switzerland) LTD. - Lugano Branch | 0.84% | still open |
| May 6, 2015 | Marshall Wace LLP | 0.71% | still open |
| May 6, 2015 | Citadel Europe LLP | 0.70% | still open |
| May 5, 2015 | GAM Investment Management (Switzerland) LTD. - Lugano Branch | 0.99% | still open |
| May 5, 2015 | Citadel Europe LLP | 0.69% | still open |
| May 4, 2015 | GAM Investment Management (Switzerland) LTD. - Lugano Branch | 1.25% | still open |
| April 29, 2015 | UBS Asset Management (UK) LTD | 4.44% | still open |
| April 29, 2015 | Marshall Wace LLP | 0.61% | still open |
| April 28, 2015 | UBS Asset Management (UK) LTD | 4.28% | still open |
| April 23, 2015 | Bluecrest Capital Management Limited | 0.59% | still open |
| April 22, 2015 | UBS Asset Management (UK) LTD | 4.03% | still open |
| April 22, 2015 | UBS O'Connor Limited | 0.44% | still open |
| April 21, 2015 | UBS Asset Management (UK) LTD | 3.94% | still open |
| April 21, 2015 | Blackrock Investment Management (UK) Limited | 1.48% | still open |
| April 21, 2015 | UBS O'Connor Limited | 0.50% | still open |
| April 20, 2015 | Blackrock Investment Management (UK) Limited | 1.56% | still open |
| April 17, 2015 | UBS Asset Management (UK) LTD | 3.70% | still open |
| April 17, 2015 | Marshall Wace LLP | 0.59% | still open |
| April 16, 2015 | UBS Asset Management (UK) LTD | 3.61% | still open |
| April 15, 2015 | UBS Asset Management (UK) LTD | 3.51% | still open |
| April 14, 2015 | UBS Asset Management (UK) LTD | 3.45% | still open |
| April 14, 2015 | Bluecrest Capital Management Limited | 0.60% | still open |
| April 13, 2015 | Blackrock Investment Management (UK) Limited | 1.61% | still open |
| April 10, 2015 | UBS Asset Management (UK) LTD | 3.25% | still open |
| April 9, 2015 | UBS Asset Management (UK) LTD | 3.07% | still open |
| April 1, 2015 | UBS Asset Management (UK) LTD | 2.92% | still open |
| March 30, 2015 | UBS Asset Management (UK) LTD | 2.67% | still open |
| March 26, 2015 | Bluecrest Capital Management Limited | 0.59% | still open |